5756B 69
PF X.Y - -
A fault has been registered within the I/O area of device X.Y.
USER 0A50 code*
Error when assigning process data.
EVNT 0B8F - -
Overflow of the INTERBUS input buffer.
LOOK FOR FAIL
The bus system has been interrupted by a fault, and the controller board is looking for the error
location. The display will then indicate the error (see Diagnostics Guide).
SCAN DISC
When a new parameterization memory is installed, the controller board performs a one-time
formatting of the memory.
Message Parameter Extended
parameter
Description/Remedy
Check the I/O voltage for short circuits or voltage dips, and, if present, the outputs, fo
short circuits.
Check the assignment of the device addresses (double addressing).
Check the accessing of the I/O data for consistency.
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